3 Bell jars 2 feet high and 10 inches in diameter 14.40 3 Bell jars about 8 inches high and 10 inches in diam- 5.00 1 Bell jar, open top, 8 inches high and 8 inches in 1 piece Sheet rubber 2 feet square (should be kept in 1 Steam sterilizer, copper bottom, 18 inches high. 6.00 24 200 cc. narrow-mouthed bottles with ground glass stoppers $2.20 1.60 2.60 100 100 Vials with corks, 3 inches high, 1 inch in diameter 2.75 1.00 100 100 Corks to fit 4-ounce wide-mouthed bottles .75 .40 10 10 2 Rubber stoppers with 2 holes to fit 250-cc. flasks. QUANTITY 11 1 CHARTS AND PREPARATIONS Jung plant charts (pansy, horse-chestnut, tulip, Teachers' Botanical Aid, 28 charts, containing 300 $13.20 ESTIMATED PRICE 12.50 11 Jung animal charts (fish (external), fish (internal), 13.20 4 Leuckhart animal charts (grasshopper, bee, butter- 8.00 1 Model of heart and lungs (dissectible), natural 12.75 1 1 1 Model of digestive system on panel, natural size 7 Microscopical slides of plant tissue (cross section and longitudinal section of young root, cross section and longitudinal section of stem one year old, cross section of hydrangea leaf, epidermis of leaf, separate wood cells, ducts, conjugating Spirogyra). 5 Microscopical slides of animals (Amoeba, Paramecium, frog's blood, human blood, mouth parts of bee) $3.50 3.00 APPENDIX II ORDER OF TOPICS The following order of topics, with time assignment for each, has been found by the authors to be satisfactory: I. Course begun in September and completed in June. 1. The general structure of plants (organs of a plant) 2 lessons a. Structure and adaptations of flowers 15 lessons b. Structure and adaptations of fruits, including 3. Plant propagation. a. Seeds and their development into plants b. Conditions essential for the growth of plants . 4. Cellular structure of plants, including fertilization of flowers 5. Composition of living and lifeless things. a. Elements, compounds, oxidation, with defini- 5 lessons 6 lessons 2 lessons 5 lessons c. Manufacture of food substances by plants 6. Osmosis and digestion. 10 lessons b. Composition of food substances, with tests for 8 lessons 5 lessons 5 lessons 5 lessons 3 lessons 4 lessons 7. Adaptations of the nutritive organs of plants. a. Structure and adaptations of roots b. Structure and adaptations of stems c. Structure and adaptations of leaves. 8. Respiration and the production of energy in plants 4 lessons 9. Plants in their relation to human welfare. |